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Can girdling experiments be done in monocots? If yes, How? If no, why not? - Biology

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प्रश्न

Can girdling experiments be done in monocots? If yes, How? If no, why not?

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उत्तर

Girdling experiments cannot be done in monocots. The monocot has vascular bundles scattered all over the width of the stem. Hence, we cannot reach a specific band of phloem for girdling.

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अध्याय 13: Photosynthesis in Higher Plants - Exercises [पृष्ठ ७१]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 11
अध्याय 13 Photosynthesis in Higher Plants
Exercises | Q 5. | पृष्ठ ७१

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संबंधित प्रश्न

By looking at a plant externally can you tell whether a plant is C3 or C4? Why and how?


By looking at which internal structure of a plant can you tell whether a plant is C3 or C4? Explain.


RuBisCo is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCo carries out more carboxylation in C4 plants?


Give comparison between the following:

Anatomy of leaf in C3 and C4 plants


In the maize plant, \[\ce{CO2}\] fixation occurs in both mesophyll and bundle sheath cells. The enzymes involved in these cells for the process respectively are, ______. 


In case of C4 pathway, the first step is


In C4-pathway initial carbon dioxide fixation occurs in chloroplasts of ______.


The first stable product of CO2 fixation in sorghum is ______.


The first stable product of CO2 fixation in sorghum is ______


PEP is primary CO2 acceptor in ______.


The enzyme that is not found in a C3 plant is ______.


When CO2 is added to PEP, the first stable product synthesised is ______.


Some of these terms/chemicals are associated with the C4 cycle. Explain.

Hatch slack pathway


Some of these terms/chemicals are associated with the C4 cycle. Explain.

Calvin cycle


Succulents are known to keep their stomata closed during the day to check transpiration. How do they meet their photosynthetic CO2 requirements?


A cyclic process is occurring in C3 plant, which is light dependent, and needs O2. This process doesn’t produce energy rather it consumes energy.

  1. Can you name the given process?
  2. Is it essential for survival?
  3. What are the end products of this process?
  4. Where does it occur?

Under what conditions are C4 plants superior to C3?


What special anatomical features are displayed by leaves of C4 plants? How do they provide advantage over the structure of C3 plants?


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